20680982

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^2\times {\mathrm{157}}^1$

素因数の和:360

約数の個数: 24

約数和(自身を含む): 36050544

約数和(自身を除く): 15369562

約数列:

[1, 2, 7, 14, 97, 157, 194, 314, 679, 1099, 1358, 2198, 9409, 15229, 18818, 30458, 65863, 106603, 131726, 213206, 1477213, 2954426, 10340491, 20680982]

約数ペア:

[(1, 20680982), (2, 10340491), (7, 2954426), (14, 1477213), (97, 213206), (157, 131726), (194, 106603), (314, 65863), (679, 30458), (1099, 18818), (1358, 15229), (2198, 9409)]